deps: update V8 to 5.4.500.27

Pick up latest commit from the 5.4-lkgr branch.

deps: edit V8 gitignore to allow trace event copy
deps: update V8 trace event to 315bf1e2d45be7d53346c31cfcc37424a32c30c8
deps: edit V8 gitignore to allow gtest_prod.h copy
deps: update V8 gtest to 6f8a66431cb592dad629028a50b3dd418a408c87

PR-URL: https://github.com/nodejs/node/pull/8317
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

1 files changed, 17 insertions, 41 deletions

diff --git a/deps/v8/src/runtime/runtime-futex.cc b/deps/v8/src/runtime/runtime-futex.cc
index f4ef679bf6..a93bb23645 100644
--- a/deps/v8/src/runtime/runtime-futex.cc
+++ b/deps/v8/src/runtime/runtime-futex.cc
@@ -12,80 +12,56 @@
 
 // Implement Futex API for SharedArrayBuffers as defined in the
 // SharedArrayBuffer draft spec, found here:
-// https://github.com/lars-t-hansen/ecmascript_sharedmem
+// https://github.com/tc39/ecmascript_sharedmem
 
 namespace v8 {
 namespace internal {
 
-RUNTIME_FUNCTION(Runtime_AtomicsFutexWait) {
+RUNTIME_FUNCTION(Runtime_AtomicsWait) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 4);
   CONVERT_ARG_HANDLE_CHECKED(JSTypedArray, sta, 0);
   CONVERT_SIZE_ARG_CHECKED(index, 1);
   CONVERT_INT32_ARG_CHECKED(value, 2);
   CONVERT_DOUBLE_ARG_CHECKED(timeout, 3);
-  RUNTIME_ASSERT(sta->GetBuffer()->is_shared());
-  RUNTIME_ASSERT(index < NumberToSize(isolate, sta->length()));
-  RUNTIME_ASSERT(sta->type() == kExternalInt32Array);
-  RUNTIME_ASSERT(timeout == V8_INFINITY || !std::isnan(timeout));
+  CHECK(sta->GetBuffer()->is_shared());
+  CHECK_LT(index, NumberToSize(sta->length()));
+  CHECK_EQ(sta->type(), kExternalInt32Array);
+  CHECK(timeout == V8_INFINITY || !std::isnan(timeout));
 
   Handle<JSArrayBuffer> array_buffer = sta->GetBuffer();
-  size_t addr = (index << 2) + NumberToSize(isolate, sta->byte_offset());
+  size_t addr = (index << 2) + NumberToSize(sta->byte_offset());
 
   return FutexEmulation::Wait(isolate, array_buffer, addr, value, timeout);
 }
 
-
-RUNTIME_FUNCTION(Runtime_AtomicsFutexWake) {
+RUNTIME_FUNCTION(Runtime_AtomicsWake) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 3);
   CONVERT_ARG_HANDLE_CHECKED(JSTypedArray, sta, 0);
   CONVERT_SIZE_ARG_CHECKED(index, 1);
   CONVERT_INT32_ARG_CHECKED(count, 2);
-  RUNTIME_ASSERT(sta->GetBuffer()->is_shared());
-  RUNTIME_ASSERT(index < NumberToSize(isolate, sta->length()));
-  RUNTIME_ASSERT(sta->type() == kExternalInt32Array);
+  CHECK(sta->GetBuffer()->is_shared());
+  CHECK_LT(index, NumberToSize(sta->length()));
+  CHECK_EQ(sta->type(), kExternalInt32Array);
 
   Handle<JSArrayBuffer> array_buffer = sta->GetBuffer();
-  size_t addr = (index << 2) + NumberToSize(isolate, sta->byte_offset());
+  size_t addr = (index << 2) + NumberToSize(sta->byte_offset());
 
   return FutexEmulation::Wake(isolate, array_buffer, addr, count);
 }
 
-
-RUNTIME_FUNCTION(Runtime_AtomicsFutexWakeOrRequeue) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 5);
-  CONVERT_ARG_HANDLE_CHECKED(JSTypedArray, sta, 0);
-  CONVERT_SIZE_ARG_CHECKED(index1, 1);
-  CONVERT_INT32_ARG_CHECKED(count, 2);
-  CONVERT_INT32_ARG_CHECKED(value, 3);
-  CONVERT_SIZE_ARG_CHECKED(index2, 4);
-  RUNTIME_ASSERT(sta->GetBuffer()->is_shared());
-  RUNTIME_ASSERT(index1 < NumberToSize(isolate, sta->length()));
-  RUNTIME_ASSERT(index2 < NumberToSize(isolate, sta->length()));
-  RUNTIME_ASSERT(sta->type() == kExternalInt32Array);
-
-  Handle<JSArrayBuffer> array_buffer = sta->GetBuffer();
-  size_t addr1 = (index1 << 2) + NumberToSize(isolate, sta->byte_offset());
-  size_t addr2 = (index2 << 2) + NumberToSize(isolate, sta->byte_offset());
-
-  return FutexEmulation::WakeOrRequeue(isolate, array_buffer, addr1, count,
-                                       value, addr2);
-}
-
-
-RUNTIME_FUNCTION(Runtime_AtomicsFutexNumWaitersForTesting) {
+RUNTIME_FUNCTION(Runtime_AtomicsNumWaitersForTesting) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(JSTypedArray, sta, 0);
   CONVERT_SIZE_ARG_CHECKED(index, 1);
-  RUNTIME_ASSERT(sta->GetBuffer()->is_shared());
-  RUNTIME_ASSERT(index < NumberToSize(isolate, sta->length()));
-  RUNTIME_ASSERT(sta->type() == kExternalInt32Array);
+  CHECK(sta->GetBuffer()->is_shared());
+  CHECK_LT(index, NumberToSize(sta->length()));
+  CHECK_EQ(sta->type(), kExternalInt32Array);
 
   Handle<JSArrayBuffer> array_buffer = sta->GetBuffer();
-  size_t addr = (index << 2) + NumberToSize(isolate, sta->byte_offset());
+  size_t addr = (index << 2) + NumberToSize(sta->byte_offset());
 
   return FutexEmulation::NumWaitersForTesting(isolate, array_buffer, addr);
 }